Chapter II
Portable digital multimeters 25
4.1.3. 10 ADC / AAC+DC Position (except MX 23)
4.2. MIN / MAX key (except MX 23)
If you press this key (long press), you access the surveillance mode (or coming out), in
which minimum (MIN), maximum (MAX) and sliding average (AVG) values of the current
measurement are stored (capture time ≤ 500 ms). The signs MIN MAX AVG appear on
the display.
You can look up each of these values by repeatedly short pressing the same key.
The symbols MIN, MAX or AVG flicker with the selected value.
The three MIN, MAX, AVG values are stored in memory and can be read after quitting
the surveillance mode.
When you access the surveillance mode again, all previous values stored are cleared.
This key also desactivates the auto power-off, if it is pressed when switching on
(« P_OFF »).
4.3. MEM / AUTO MEM key
Short press (MEM) : fixes the display on the current value. A second short press returns
the multimeter to normal mode. The MEM sign appears on the
display.
The MEM mode is avaible on all measurement.
Long press (AUTO MEM) : accesses or quits the “autostore” mode.
The MEM sign blinks on the display.
Affected ranges : VLOW Z, VAC+DC, VDC, ADPDC, ADPAC+DC
Autostore
Set the probes on the point to be measured. An audio signal indicates whether the
measurement is stable. When you remove the probes, a second audible signal indicates
that this stable value displayed has been stored.
The bargraph remains active during the "autostore” and display MEM mode.
Pressing this key when switching on the instrument enables the selection of a rejection of
50 or 60 Hz. The selection is reversed from the last configuration. It is displayed for
2 secs. and remains backed up in non-volatile memory.
4.4. key (except MX 23)
Activates/deactivates back lighting of the display unit.
10 AAC+DC
AC+DC current measurement (TRMS)
(Range 10 AAC+DC)
10 ADC
DC current measurement
(Range 10 ADC)
AC+DC key
AC+DC key
The AC+DC sign
appears on the display.
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